BMW G20 G21 G22 G42 G80 Front PTS Pedestrian Protect Crash Impact Sensor 5A4FAA0

The BMW G20 G21 G22 G42 G80 Front Pedestrian Protection Impact Sensor is a safety system component designed for installation in the front of the vehicle body. It is responsible for precise detection of impacts in the pedestrian zone and for cooperating with the vehicle's active protection systems. Using a genuine OEM BMW component ensures the preservation of the system's original operating logic and the proper parameters of the electronics.

Specifications and technical data

• SKU: 5A4FAA0-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5A4FAA0
• Substitutable numbers: 5A4FAA0, 65765A4FAA0
• Location on the vehicle: Front
• Category: Additional Brake Sensors & Switches

Sensor Purpose and Function

The front pedestrian protection impact sensor in BMW G-series models is responsible for monitoring collision events in the bumper and hood area. Upon detecting a specific impulse, it collaborates with the safety systems, enabling them to react appropriately. This ensures the consistent operation of pedestrian protection systems as intended by the manufacturer.

Its placement in the front zone of the vehicle ensures proper reception of signals from this critical body area, which is crucial for the correct functioning of the entire system.

Compatibility with BMW Models

The sensor is designed to work with the BMW G-series platform, including sedan, wagon, coupe, and high-performance variants. This makes it a unified solution for modern BMW designs, where advanced safety systems require appropriately selected electronic components.

Its genuine BMW origin promotes proper communication with the vehicle's bus system and minimizes the risk of diagnostic errors after installation.

Characteristics of the Used Component

The offered sensor comes from the category of Other Brake Sensors and Switches, meaning it is part of an extensive system responsible for vehicle safety and control. As a used component, it offers an economical solution while maintaining the original manufacturer's specifications. This is a good option when a damaged sensor needs replacement without altering the factory construction.

Proper fitment for the front mounting area facilitates servicing and allows for the preservation of factory mounting points and wiring harness routing.

Benefits of Using an Original Sensor

• Maintains the original operating logic of the pedestrian protection system.
• Better integration with vehicle electronics compared to non-OEM aftermarket parts.
• Reduces the risk of errors in control units and warning lights.
• Enables the restoration of full system functionality after a collision or malfunction.

The use of an original component also promotes stable operation of safety systems in the long term.

Assistance with Selection and Additional Information

If you are planning a comprehensive repair or upgrade of the safety zone in your BMW and require other parts from the same group, such as sensors, switches, or components that work with the braking system, check the available parts in the Other BMW Brake Sensors and Switches category.

When choosing a used sensor, it is advisable to understand the specifics of operating such components and the real differences between new and used parts. The article Used Car Parts: Myths and Facts You Need to Know discusses this topic in more detail, helping you make informed purchasing decisions for salvaged components.

The guide How to Extend the Lifespan of Used Car Parts? also provides additional tips on the operation and care of electronic components from the aftermarket, offering practical information on the maintenance and diagnostics of parts used in modern vehicles.